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Diffstat (limited to 'lib/libkvm/kvm_file2.c')
-rw-r--r--lib/libkvm/kvm_file2.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/lib/libkvm/kvm_file2.c b/lib/libkvm/kvm_file2.c
index d1e5f72d328..0930a13048a 100644
--- a/lib/libkvm/kvm_file2.c
+++ b/lib/libkvm/kvm_file2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kvm_file2.c,v 1.35 2014/03/30 21:54:49 guenther Exp $ */
+/* $OpenBSD: kvm_file2.c,v 1.36 2014/07/04 05:58:31 guenther Exp $ */
/*
* Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -121,7 +121,7 @@ static struct kinfo_file *kvm_deadfile_byfile(kvm_t *, int, int,
static struct kinfo_file *kvm_deadfile_byid(kvm_t *, int, int,
size_t, int *);
static int fill_file(kvm_t *, struct kinfo_file *, struct file *, u_long,
- struct vnode *, struct proc *, int, pid_t);
+ struct vnode *, struct process *, int, pid_t);
static int filestat(kvm_t *, struct kinfo_file *, struct vnode *);
LIST_HEAD(processlist, process);
@@ -315,6 +315,10 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
goto cleanup;
}
+ /* skip system, exiting, embryonic and undead processes */
+ if (process.ps_flags & (PS_SYSTEM | PS_EMBRYO | PS_EXITING))
+ continue;
+
if (process.ps_mainproc == NULL)
continue;
if (KREAD(kd, (u_long)process.ps_mainproc, &proc)) {
@@ -323,11 +327,6 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
goto cleanup;
}
- /* skip system, exiting, embryonic and undead processes */
- if (proc.p_flag & P_SYSTEM || process.ps_flags & PS_EXITING ||
- proc.p_stat == SIDL || proc.p_stat == SZOMB)
- continue;
-
if (op == KERN_FILE_BYPID && arg > 0 &&
proc.p_pid != (pid_t)arg) {
/* not the pid we are looking for */
@@ -344,17 +343,17 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
process.ps_ucred = &ucred;
if (op == KERN_FILE_BYUID && arg >= 0 &&
- proc.p_ucred->cr_uid != (uid_t)arg) {
+ process.ps_ucred->cr_uid != (uid_t)arg) {
/* not the uid we are looking for */
continue;
}
- if (KREAD(kd, (u_long)proc.p_fd, &filed0)) {
+ if (KREAD(kd, (u_long)process.ps_fd, &filed0)) {
_kvm_err(kd, kd->program, "can't read filedesc at %lx",
- (u_long)proc.p_fd);
+ (u_long)process.ps_fd);
goto cleanup;
}
- if ((char *)proc.p_fd + offsetof(struct filedesc0, fd_dfiles)
+ if ((char *)process.ps_fd + offsetof(struct filedesc0,fd_dfiles)
== (char *)filed.fd_ofiles) {
filed.fd_ofiles = filed0.fd_dfiles;
filed.fd_ofileflags = filed0.fd_dfileflags;
@@ -377,13 +376,13 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
filed.fd_ofileflags = filebuf +
(filed.fd_nfiles * sizeof(struct file *));
}
- proc.p_fd = &filed;
+ process.ps_fd = &filed;
if (process.ps_textvp) {
if (buflen < esize)
goto done;
if (fill_file(kd, &kf, NULL, 0, process.ps_textvp,
- &proc, KERN_FILE_TEXT, proc.p_pid) == -1)
+ &process, KERN_FILE_TEXT, proc.p_pid) == -1)
goto cleanup;
memcpy(where, &kf, esize);
where += esize;
@@ -393,8 +392,8 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
if (filed.fd_cdir) {
if (buflen < esize)
goto done;
- if (fill_file(kd, &kf, NULL, 0, filed.fd_cdir, &proc,
- KERN_FILE_CDIR, proc.p_pid) == -1)
+ if (fill_file(kd, &kf, NULL, 0, filed.fd_cdir,
+ &process, KERN_FILE_CDIR, proc.p_pid) == -1)
goto cleanup;
memcpy(where, &kf, esize);
where += esize;
@@ -404,8 +403,8 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
if (filed.fd_rdir) {
if (buflen < esize)
goto done;
- if (fill_file(kd, &kf, NULL, 0, filed.fd_rdir, &proc,
- KERN_FILE_RDIR, proc.p_pid) == -1)
+ if (fill_file(kd, &kf, NULL, 0, filed.fd_rdir,
+ &process, KERN_FILE_RDIR, proc.p_pid) == -1)
goto cleanup;
memcpy(where, &kf, esize);
where += esize;
@@ -416,7 +415,7 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
if (buflen < esize)
goto done;
if (fill_file(kd, &kf, NULL, 0, process.ps_tracevp,
- &proc, KERN_FILE_TRACE, proc.p_pid) == -1)
+ &process, KERN_FILE_TRACE, proc.p_pid) == -1)
goto cleanup;
memcpy(where, &kf, esize);
where += esize;
@@ -429,7 +428,7 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
filed.fd_freefile > filed.fd_lastfile + 1) {
_kvm_err(kd, kd->program,
"filedesc corrupted at %lx for pid %d",
- (u_long)proc.p_fd, proc.p_pid);
+ (u_long)process.ps_fd, proc.p_pid);
goto cleanup;
}
@@ -443,7 +442,7 @@ kvm_deadfile_byid(kvm_t *kd, int op, int arg, size_t esize, int *cnt)
goto cleanup;
}
if (fill_file(kd, &kf, &file, (u_long)fp, NULL,
- &proc, i, proc.p_pid) == -1)
+ &process, i, proc.p_pid) == -1)
goto cleanup;
memcpy(where, &kf, esize);
where += esize;
@@ -461,8 +460,8 @@ cleanup:
}
static int
-fill_file(kvm_t *kd, struct kinfo_file *kf, struct file *fp, u_long fpaddr, struct vnode *vp,
- struct proc *p, int fd, pid_t pid)
+fill_file(kvm_t *kd, struct kinfo_file *kf, struct file *fp, u_long fpaddr,
+ struct vnode *vp, struct process *pr, int fd, pid_t pid)
{
struct ucred f_cred;
@@ -683,14 +682,15 @@ fill_file(kvm_t *kd, struct kinfo_file *kf, struct file *fp, u_long fpaddr, stru
}
/* per-process information for KERN_FILE_BY[PU]ID */
- if (p != NULL) {
+ if (pr != NULL) {
kf->p_pid = pid;
- kf->p_uid = p->p_ucred->cr_uid;
- kf->p_gid = p->p_ucred->cr_gid;
- kf->p_tid = p->p_pid + THREAD_PID_OFFSET;
- strlcpy(kf->p_comm, p->p_comm, sizeof(kf->p_comm));
- if (p->p_fd != NULL)
- kf->fd_ofileflags = p->p_fd->fd_ofileflags[fd];
+ kf->p_uid = pr->ps_ucred->cr_uid;
+ kf->p_gid = pr->ps_ucred->cr_gid;
+ kf->p_tid = -1;
+ strlcpy(kf->p_comm, pr->ps_mainproc->p_comm,
+ sizeof(kf->p_comm));
+ if (pr->ps_fd != NULL)
+ kf->fd_ofileflags = pr->ps_fd->fd_ofileflags[fd];
}
return (0);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.